demo/sat-2.in
author deba
Sun, 30 Sep 2007 19:14:33 +0000
changeset 2480 eecaeab41472
permissions -rw-r--r--
Planarity checking and embedding
deba@2459
     1
x1 or x2
deba@2459
     2
x2 or not x3
deba@2459
     3
x3 or not x1